./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-programs/Problem101_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-programs/Problem101_label19.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9ac82139ad508a8befe815daf22db95d78d29a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:13:38,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:13:38,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:13:38,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:13:38,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:13:38,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:13:38,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:13:38,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:13:38,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:13:38,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:13:38,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:13:38,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:13:38,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:13:38,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:13:38,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:13:38,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:13:38,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:13:38,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:13:38,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:13:38,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:13:38,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:13:38,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:13:38,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:13:38,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:13:38,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:13:38,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:13:38,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:13:38,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:13:38,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:13:38,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:13:38,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:13:38,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:13:38,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:13:38,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:13:38,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:13:38,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:13:38,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:13:38,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:13:38,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:13:38,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:13:38,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:13:38,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:13:38,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:13:38,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:13:38,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:13:38,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:13:38,674 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:13:38,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:13:38,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:13:38,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:13:38,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:13:38,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:13:38,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:13:38,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:13:38,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:13:38,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:13:38,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:13:38,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:13:38,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:13:38,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:13:38,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:13:38,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:13:38,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:13:38,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:13:38,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:13:38,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:13:38,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:13:38,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:13:38,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:13:38,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:13:38,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9ac82139ad508a8befe815daf22db95d78d29a [2019-11-16 21:13:39,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:13:39,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:13:39,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:13:39,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:13:39,325 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:13:39,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label19.c [2019-11-16 21:13:39,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ea9135/9a8416b220a74744ab210d6229c3c5b4/FLAGb772531d5 [2019-11-16 21:13:45,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:13:45,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label19.c [2019-11-16 21:13:45,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ea9135/9a8416b220a74744ab210d6229c3c5b4/FLAGb772531d5 [2019-11-16 21:13:45,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ea9135/9a8416b220a74744ab210d6229c3c5b4 [2019-11-16 21:13:45,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:13:46,000 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:13:46,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:13:46,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:13:46,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:13:46,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:13:45" (1/1) ... [2019-11-16 21:13:46,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5496243b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:13:46, skipping insertion in model container [2019-11-16 21:13:46,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:13:45" (1/1) ... [2019-11-16 21:13:46,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:13:49,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:14:07,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:14:07,147 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:14:18,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:14:20,979 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:14:20,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20 WrapperNode [2019-11-16 21:14:20,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:14:20,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:14:20,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:14:20,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:14:21,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:21,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:29,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:14:29,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:14:29,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:14:29,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:14:29,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:29,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:29,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:29,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:32,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:32,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:33,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:14:20" (1/1) ... [2019-11-16 21:14:34,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:14:34,198 INFO L168 Benchmark]: Toolchain (without parser) took 48178.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 219.3 MB). Free memory was 731.1 MB in the beginning and 223.6 MB in the end (delta: 507.6 MB). Peak memory consumption was 764.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:14:34,199 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:14:34,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 34975.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 731.1 MB in the beginning and 299.4 MB in the end (delta: 431.7 MB). Peak memory consumption was 700.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:14:34,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 8119.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 219.2 MB). Free memory was 299.4 MB in the beginning and 473.2 MB in the end (delta: -173.7 MB). Peak memory consumption was 422.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:14:34,212 INFO L168 Benchmark]: Boogie Preprocessor took 5062.45 ms. Allocated memory is still 1.3 GB. Free memory was 473.2 MB in the beginning and 223.6 MB in the end (delta: 249.6 MB). Peak memory consumption was 287.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:14:34,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 34975.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 731.1 MB in the beginning and 299.4 MB in the end (delta: 431.7 MB). Peak memory consumption was 700.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 8119.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 219.2 MB). Free memory was 299.4 MB in the beginning and 473.2 MB in the end (delta: -173.7 MB). Peak memory consumption was 422.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5062.45 ms. Allocated memory is still 1.3 GB. Free memory was 473.2 MB in the beginning and 223.6 MB in the end (delta: 249.6 MB). Peak memory consumption was 287.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...